題解 | 單組_保留小數(shù)位數(shù)
單組_保留小數(shù)位數(shù)
http://fangfengwang8.cn/practice/a4bccea7f4644fbda1208f8e0d397bab?tpId=372&tags=&title=&difficulty=0&judgeStatus=0&rp=0&sourceUrl=%2Fexam%2Foj%3Fpage%3D1%26tab%3D%25E7%25AE%2597%25E6%25B3%2595%25E7%25AF%2587%26topicId%3D372
#include <iostream>
#include <iomanip>
using namespace std;
int main() {
double num;
cin >> num;
cout << fixed << setprecision(3) << num;
return 0;
}
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